Net::LDAP::Control::PreRead provides an interface for the creation and manipulation of objects that represent the Pre-Read Controls as described by RFC 4527.

In modification operations, the Pre-Read request control indicates to the server that a copy of the original entry before the update is to be returned. After the successful completion of the operation, the accompanying Pre-Read response control allows one to retrieve the original value from the server's response.

One use case of this control may be to obtain replaced or deleted values of modified attributes or a copy of the entry being deleted.

As with Net::LDAP::Control each constructor argument described above is also available as a method on the object which will return the current value for the attribute if called without an argument, and set a new value for the attribute if called with an argument.

In addition to these methods, the control also supports the following method: